today the medical examiner identified all the victims killed at sandy hook elementary school in connecticut. 20 children all ages 6 and 7 died along with 6 adults. all were shot multiple times at close range by an assault rifle. investigators also say the shooter forced his way into the school and about an hour ago, president obama announced he will attend a memorial service tomorrow in newtown. >>> cbs reporter ines ferre is live in newtown, connecticut where investigators are piecing together what happened. ines. >> reporter: well, ann, it's been a day of mourning here in newtown and across the nation as families are grieving the loss of loved ones and a community tries to pull together. 12-year-old jocelyn cardenaz came from danbury, connecticut it drop off flowers at a memorial for the 26 people killed at sandy hook elementary school. >> even though we didn't know anyone directly just hurt because you never know what's going to happen next. >> reporter: she is one of many grieving for those gunned down in newtown, connecticut friday morning. investigators identified the shooter as 20-ye